886 



EXPERIMENT STATION EECORD. 



Page. 



Silos, Iowa, construction, U.S.D.A 694 



notes, Mo 278 



Silvanus surinamensis, notes 751 



Silver-leaf disease, studies 349, 451 



nitrate, effect on seeds 532 



spray, fungicidal value 250 



preparation an d use — 51 



phytate, studies 664 



Silviculture in Brazil 343 



treatise 151 



Simulium spp., relation to pellagra 757 



venustum, remedies 755 



Siphonaptera, bibliography 161 



Siphonophora rosarum , anatomy 164 



Sirup, cane. {See Cane sirup.) 



pomegranate, manufacture 763 



Sisal pulp, composition and use 528 



Stam milk, analyses 182 



condensed, standards, Ind 382 



detection 514 



digestibility 172 



manufacttjre of casein from 614 



powdered, analyses 182 



use, U.S.D.A 68 



Skins, prevention of damage to 379 



Sky polarization, studies and bibliography, 



U.S.D.A 16 



Slag. (See Phosphatic slag.) 



Slaughterhouse refuse, effect on pork, N.Dak. 67 



Slaughterhouses, cooperative, in Denmark... 394 



inspection, N.Dak 666 



(See also Abattoirs.) 

 Sleeping sickness — 



mechanical transmission by flies 756 



relation to cattle and antelopes 586 



Slop, dried, analyses 363 



feeding, investigations, U.S.D.A 71 



Slugs, inj urious to Para rubber 354 



Smoke, disposition, U.S.D.A 17 



prevention, U.S.D.A 312 



Smut spores as affected by passage through 



animals T 550 



(See also Barley smut, Corn smut, etc.) 



Smuts of Australia, bibliography 46 



monograph 45 



Utah, catalogue 447 



Snail, African, notes 751 



Snapdragons, culture 643 



Snow, analyses 519 



contamination of 519 



fertilizing value, Can 417 



Snowfall, apparatus for measuring, Nev 415 



in Alaska, U.S.D.A 653 



England 127 



Snowiellus, comparative studies 61 



Soap, manufacture from Kafir- corn 464 



methods of analysis 410 



Society for the Promotion of Agricultural 



Sci cnce 1,194 



Sod, evaporation from, studies 317 



Soda fountain products, examination 667 



Sodium— 



benzoate, determination in jams and cod- 

 fish 198 



chlorid. (See Salt.) 



iodid, determination in animal tissues... 703 



nitrate. (See Nitrate of soda.) 



Page. 

 Sodium— Continued. 



phosphate, effect on calcium phosphate.. 25 



salts, effect on plant growth 135 



sulphate, effect on iron phosphate 25 



fertilizing value 323 



Soft drinks, adulteration and misbranding, 



U.S.D.A 764 



methods of analysis 199 



Soil acidity, determination 135, 197 



effect on legume inoculation, 



U.S.D.A 222 



aeration, effect on nitrogen transforma- 

 tion 222 



analysis, value of. Mass 713 



bacteria, culture experiments 140 



fixation of nitrogen by 431 



relation to soil fertiUty 22 



bacteriology, investigations 28, 221, 327 



constituents, as affected by lime 26 



erosion in the Appalachians 711 



fatigue, review of literature 424, 529 



fertility^ 



as affected by — 



micro-organisms 717 



stubble burning 424 



conservation 321 



discussion of theories 22 



factors affecting 321 



investigations in R ussia 423 



laboratory manual 397 



maintenance of 709, 794 



new method of study 423 



relation to micro-organism s 621 



natural vegetation, 



U.S.D.A 722 



soluble phosphoric acid. . 423 

 transpiration periods in 



plants 196 



review of literature 524 



Whitney's new theory, notes 224 



formation in the tropics 619 



inoculation, notes 21 



investigation, notes 21 



management in the Ozark region, Mo 129 



mapping, newer methods 21 



moisture — 



as affected by crops 634 



culture 708 



packing, Can 421 



evaporation experiments 317 



investigations 318 



nonavailable, determination 186 



relation to desert vegetation 330 



root development, Nebr. . 137 



studies, Nebr 130 



mulches, effect on evaporation, U.S.D.A. 17 



organisms, studies 29,430 



oxidation, studies, U.S.D.A 223 



particles, classification 218 



permeability, relation to irrigation 522 



productivity as affected by earthworms. 424 



reaction, relation to Azotobacter 29 



solutions— 



as affected by dihydroxystearic acid, 



U.S.D.A ". 32 



preparation for analysis 209, 210, 299 



sterilization, beneflcial effects 710 



relation to yields 196 



